1. J. Van Herle, Y. Membrez, Biogas exploitation in SOFC, in: U. Bossel (Ed.), Proceedings of the Fifth European Solid Oxide Fuel cell Forum, Lucerne, Switzerland, European Forum Secretariat, CH 5442-Oberrohrdorf, Switzerland, July 2002, pp. 1003–1010.
2. M. Jenne, T. Zähringer, A. Schuler, G. Piskay, D. Moos, Sulzer HEXIS SOFC systems for biogas and heating oil, in: U. Bossel (Ed.), Proceedings of the Fifth European Solid Oxide Fuel Cell Forum, Lucerne, Switzerland, European Forum Secretariat, CH 5442-Oberrohrdorf, Switzerland, July 2002, pp. 460–466.
3. J. Van herle, Y. Membrez, O. Bucheli, Biogas as a fuel source for SOFC cogenerators, J. Power Sources, in press.
4. J. Van herle, SOFCs fueled with biogas, Masters Thesis in Energy Technology, Swiss Federal Institute of Technology (EPFL), 1015-Lausanne, Switzerland, Secretariat of the Laboratory for Energy Systems, 2001.
5. J. Fleig, J. Maier, The influence of inhomogeneous potential distribution on the electrolyte resistance in SOFC, in: U. Stimming, S.C. Singhal, H. Tagawa, W. Lehnert (Eds.), Proceedings of the Fifth International Solid Oxide Fuel Cells Symposium, The Electrochemical Society Proceedings Series, Pennington, NJ, vols. 97/40, 1997, pp. 1374–1383.